Update on ICD-11 Beta drafting: Bodily Distress Disorder: emerging proposals: Part One

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Update on ICD-11 Beta drafting: Bodily Distress Disorder: emerging proposals: Part One

This report should be read in conjunction with the caveats at the end of the post, on Page 3.

Part One

The technical work associated with the preparation of ICD-11, the field testing and trials evaluation will need to be completed next year if WHO is going to meet its target of presenting ICD-11 for World Health Assembly approval in May 2015, with pilot implementation by 2016.

Three distinct versions of the ICD-11 classification of Mental and Behavioural Disorders are under development: an abridged version for use in primary care, a detailed version for use in specialty settings and a version for use in research.

The ICD-10 Somatoform Disorders are under revision for all three versions and the primary care and speciality versions are being developed simultaneously.

ICD10-PC, the abridged version of ICD, is used in developed and developing countries and in the training of medical officers, nurses and multi-purpose health workers. Globally, more than 90% of patients with mental health problems are managed by practitioners or health workers in general medical or primary care settings – not by psychiatrists.

Over 400 mental disorders are classified in the speciality version of ICD-10 Chapter V. These are condensed to 26 mental disorders for the primary care version – a list can be found on Page 49 of this book chapter, in Table 2.4.

Each disorder in ICD10-PC provides information on patient presentation, clinical descriptions, differential diagnoses, treatments, indications for referrals and information sheets for patients and families.

A revised list of disorders proposed for inclusion in the forthcoming ICD-11-PHC can be viewed on Page 51, in Table 2.5 [1].

For new and revised disorders included in the primary care version there will need to be an equivalent disorder in the core ICD-11 classification.

Existing Somatoform Disorders in the core ICD-10 version can be viewed here: ICD-10 Version: 2010 browser: Somatoform Disorders or from Page 129 in The ICD-10 Classification of Mental and Behavioural Disorders, Clinical descriptions and diagnostic guidelines.

A chart showing the grouping of the detailed core version categories and the 26 corresponding disorders in ICD10-PC can be found here, see Page 8, for F45 Unexplained somatic complaints and F45  Somatoform disorders (ICD-10): Connections between ICD-10 PC and ICD-10 Chapter V.

Where reports of emerging proposals for ICD-11 have been published by ICD revision working group members, the recommendations within them may be subject to refinement or revision following analysis of focus group studies, external review and multicentre field trials to assess the validity and clinical utility of proposals for application in developed and developing countries, in high and low resource settings and across general, speciality and research settings [2].

Not all proposals for new or revised disorders are expected to survive the field trials.

Two working groups are making recommendations for the revision of ICD-10’s Somatoform Disorders:

A WHO Primary Care Consultation Group (known as the PCCG) has been appointed to lead the development of the revision of ICD10-PC, the abridged classification of mental and behavioural disorders for use in primary care settings. The PCCG is charged with developing and field testing the full set of disorders for inclusion in ICD-11-PHC, for which 28 mental disorders are currently proposed.

The PCCG members are SWC Chan, AC Dowell, S Fortes, L Gask, KS Jacob, M Klinkman (Vice Chair), TP Lam, JK Mbatia, FA Minhas, G Reed, and M Rosendal. The PCCG is chaired by Prof, Sir David Goldberg.

A WHO Expert Working Group on Somatic Distress and Dissociative Disorders (known as the S3DWG) was constituted in 2011 to review the scientific evidence for, and clinical utility of the ICD-10 somatoform and dissociative disorders; to review proposals for the DSM-5 somatic symptom disorders and dissociative disorders categories and to consider their suitability or not for global applications; to review proposals and provide draft content for the somatic distress and dissociative disorder categories in line with the overall ICD revision requirements; to propose entities and descriptions for the classification of somatic distress and dissociative disorders for use in diverse global and primary care settings. External reviewers are also consulted on proposals and content.

The full S3DWG membership list is not publicly available but the group is understood to comprise 17 international behavioural health professionals, of which Prof Francis Creed is a member. The S3DWG is Chaired by Prof Oye Gureje.

Responsibilities of ICD-11 working groups are set out on Page 3 (1.1.) of document [3] in the References. Document [3] also includes information on the ICD-11 field trials, from Page 8 (4.).

1. Goldberg DP. Comparison Between ICD and DSM Diagnostic Systems for Mental Disorders. In: Sorel E, (Ed.) 21st Century Global Mental Health. Jones & Bartlett Learning, 2012: 37-53. Free PDF, Sample Chapter Two: http://samples.jbpub.com/9781449627874/Chapter2.pdf
2. PDF WHO ICD Revision Information Note, Field Testing, June 2012
3. Responsibilities of ICD-11 working groups set out on Page 3 of 2012 Annual Report of the International Union of Psychological Science to the American Psychological Association, Revision of World Health Organization’s ICD-10 Mental and Behavioural Disorders, Pierre L.-J. Ritchie, Ph.D., Main Representative to the World Health Organization, International Union of Psychological Science, January, 2013

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